import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/views/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar
    noCache: true                if set true, the page will no be cached(default is false)
    affix: true                  if set true, the tag will affix in the tags-view
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/redirect',
    component: Layout,
    hidden: true,
    children: [
      {
        path: '/redirect/:path*',
        component: () => import('@/views/redirect/index')
      }
    ]
  },
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },
  // {
  //   path: '/auth-redirect',
  //   component: () => import('@/views/login/auth-redirect'),
  //   hidden: true
  // },
  {
    path: '/404',
    component: () => import('@/views/error-page/404'),
    hidden: true
  },
  {
    path: '/401',
    component: () => import('@/views/error-page/401'),
    hidden: true
  },
  {
    path: '/access',
    component: Layout,
    hidden: true,
    redirect: '/access/deny',
    children: [
      {
        path: 'deny',
        name: 'AccessDeny',
        component: () => import('@/views/error-page/access-deny'),
        meta: { title: '没有权限', icon: 'user', noCache: true }
      }
    ]
  },
  {
    path: '/selfinfo',
    component: Layout,
    redirect: '/selfinfo/index',
    hidden: true,
    children: [
      {
        path: 'index',
        component: () => import('@/views/pages/self-info/index'),
        name: 'SelfInfo',
        meta: { title: '个人信息', icon: 'user', noCache: true }
      }
    ]
  }
]

/**
 * emptyHomeRouters
 * 没有设置首页时，显示此页
 */
export const emptyHomeRouters = [{
  path: '/', // 必须是 /
  component: Layout,
  redirect: '/dashboard', // 必须是 /dashboard
  children: [
    {
      path: '/dashboard', // 必须是 dashboard
      component: () => import('@/views/pages/homes/empty/index'),
      name: 'EmptyHome',
      meta: { title: '首页', icon: 'dashboard', affix: true }
    }
  ]
}]

/**
 * noRoleRouters
 * 没有任何权限时显示的页面
 */
export const noRoleRouters = [{
  path: '/', // 必须是 /
  component: Layout,
  redirect: '/dashboard', // 必须是 /dashboard
  children: [
    {
      path: '/dashboard', // 必须是 dashboard
      component: () => import('@/views/pages/homes/emptyRole/index'),
      name: 'NoRoles',
      meta: { title: '首页', icon: 'dashboard', affix: true }
    }
  ]
}]

/**
 * superRoutes
 * 超级用户可以使用的页面
 */
export const superRoutes = [{
  path: '/', // 必须是 /
  component: Layout,
  redirect: '/dashboard', // 必须是 /dashboard
  children: [
    {
      path: 'dashboard', // 必须是 dashboard
      component: () => import('@/views/pages/homes/super/index'),
      name: 'SuperHome',
      meta: { title: '首页', icon: 'dashboard', affix: true }
    }
  ]
}, {
  path: '/super',
  component: Layout,
  // redirect: '/super/index',
  children: [{
    path: 'index',
    component: () => import('@/views/pages/super/index'),
    name: 'SuperSettings',
    meta: {
      title: '功能菜单管理',
      icon: 'tree-table',
      noCache: true,
      roles: ['super']
    }
  }]
}]

const createRouter = () => {
  return new Router({
    // mode: 'history', // require service support
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRoutes
  })
}

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
